Photos: Dallas 50 years later

CaptionDallas 50 years later

Jay Jones/Special to Tribune Newspapers

Conspiracy theorist Robert Groden (left) and a colleague, Marshal Evans, sell books and DVDs about the JFK assassination outside the building from which Lee Harvey Oswald allegedly fired the fatal shots.

Conspiracy theorist Robert Groden (left) and a colleague, Marshal Evans, sell books and DVDs about the JFK assassination outside the building from which Lee Harvey Oswald allegedly fired the fatal shots. (Jay Jones/Special to Tribune Newspapers)

Barbara Rodriguez gets her photo taken on an X painted on the street in Dealey Plaze in Dallas that marks the spot where president John F. Kennedy was struck by a bullet nearly 50 years ago.

Barbara Rodriguez gets her photo taken on an X painted on the street in Dealey Plaze in Dallas that marks the spot where president John F. Kennedy was struck by a bullet nearly 50 years ago. (Brian van der Brug, McClatchy-Tribune)

President John F. Kennedy works in the Oval Office at the White House in this 1963 file photo by White House photographer Robert Knudsen provided by the John F. Kennedy Presidential Library and Museum in Boston.

President John F. Kennedy works in the Oval Office at the White House in this 1963 file photo by White House photographer Robert Knudsen provided by the John F. Kennedy Presidential Library and Museum in Boston. (REUTERS/JFK Presidential Library/The White House/Robert Knudsen/Handout)